At that time Tyre will be forgotten for seventy years—the span of a king’s life. But at the end of seventy years, it will happen to Tyre as in the song of the harlot:
Jewish Publication Society of America Version (JPS1917) - Isaiah 23:15 >And it shall come to pass in that day, that Tyre shall be forgotten seventy years, according to the days of one king; after the end of seventy years it shall fare with Tyre as in the song of the harlot: